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Player: Ruud de Koning Age: 81 KNDB-rating on 1-7-2023: 661 Highest KNDB-rating ever: 844 Average KNDB-rating all time: 723 Virtual KNDB-rating : 663 Strongest win in last 10 years by Ruud de Koning (694): 13-10-2015 Leo van Raaij (846) (Provincial Teamcompetition Utrecht) Ruud de Koning (706): 10-10-2016 Fred van Ee (523) (Provincial Clubcompetition Utrecht) |